目前这个问题已得到 角色工程（role engineering）的关注，其中数据 挖掘方法用于角色识别，也叫角色挖掘（role mining）是比较有效的尝试。
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Some political leaders have claimed that these measures have played a key role in mining firms cutting back their investment in Australia.
BBC: Australia's resources boom is over, minister warns
The role of regulations, specifically, can limit who can be in the business of user data collection and mining.
FORBES: Does The Mobile Internet Mean The Death Of User Privacy?
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